CN215191097U

CN215191097U - Mixer mechanical switch device that possesses waterproof performance

Info

Publication number: CN215191097U
Application number: CN202120448045.0U
Authority: CN
Inventors: 谢用安; 刘行; 尹绍志
Original assignee: Harvest Yingde Electrical Appliance Manufacturing Co ltd
Current assignee: Harvest Yingde Electrical Appliance Manufacturing Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-12-17
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to the technical field of kitchen utensils, and discloses a mechanical switching device of a stirring machine with waterproof performance, wherein the stirring machine comprises a machine base and a stirring cup, a rotatable stirring shaft is arranged on the machine base, a downward flange is arranged on the side wall of the stirring cup, a mandril switch is arranged on the top wall of the machine base in a penetrating way, the contact end of the mandril switch protrudes out of the machine base, and a power-on end is positioned in the machine base; when the base and the stirring cup are sleeved with each other, the stirring cup flange presses down the ejector rod type switch to realize electrification; when the stirring cup leaves the base, the ejector rod type switch rebounds to realize power failure; the contact end sleeve of the ejector rod type switch is provided with a waterproof sleeve, and the waterproof sleeve is used as an intermediate body of the ejector rod type switch in contact with the outside and used for preventing water from flowing into the base. The device can provide a safe starting function and avoid starting the machine by mistake; the motor can also be waterproof and antifouling, and the risk of short circuit and burning of the motor is avoided.

Description

Mixer mechanical switch device that possesses waterproof performance

Technical Field

The utility model relates to a kitchen utensil's technical field, more specifically say, relate to a mixer mechanical switch device that possesses waterproof performance.

Background

The portable stirrer is used as an improved stirrer emerging in recent years, and a stirring tool bit on the inner wall of a machine base is used during stirring; after the beverage is prepared, the same cup can be taken away directly by only replacing the accompanying cup cover, and the stirring tool bit is not required to clean numerous and complicated parts, so that the cup is convenient and easy.

The portable mixer that has now mainly is the hand-held type operation, consequently is supporting with safety switch mechanism usually, and safety switch mechanism can prevent the maloperation: the stirring can be carried out only after the stirring cup is screwed with the machine base. After the stirring cup is screwed, a switch button is started, and the machine works; when the stirring cup is turned on, the safety switch is bounced off, and the machine stops working.

However, the existing safety switch mechanism does not have a waterproof function, the ejector rod is directly matched with the driving main body, water can flow into the motor from a gap formed by matching the ejector rod and the driving main body, and unsafe factors such as circuit breaking and fire starting of a charged electric device in the motor are caused.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to solve the problems existing in the prior art, and provide a mechanical switch device of a stirring machine with waterproof performance to overcome the problem that a safety switch is easy to feed water in the prior art.

The utility model discloses above-mentioned purpose is realized through following technical scheme:

a mechanical switch device of a stirring machine with waterproof performance comprises a base and a stirring cup, wherein a rotatable stirring shaft is arranged on the base, a downward flange is arranged on the side wall of the stirring cup, an inwards concave waterproof base ring is arranged on the top wall of the base, a push rod type switch penetrates through the top wall of the base, a contact end of the push rod type switch protrudes out of the base, and a power-on end is positioned in the base;

when the base and the stirring cup are sleeved with each other, the waterproof ring of the base is pushed by the flange, so that the ejector rod type switch is pressed down to realize electrification; when the stirring cup leaves the base, the ejector rod type switch rebounds to realize power failure;

the contact end sleeve of the ejector rod type switch is provided with a waterproof sleeve, and the waterproof sleeve is used as an intermediate body of the ejector rod type switch in contact with the outside and used for preventing water from flowing into the base.

Preferably, the top wall of the base is provided with a through hole for the contact end of the ejector rod type switch and the top of the waterproof sleeve to pass through, and the shape and size of the through hole are similar to those of the top of the waterproof sleeve.

Preferably, the bottom end of the waterproof sleeve is located inside the base, an outward surrounding edge is arranged at the bottom end, the surrounding edge is tiled towards the periphery, and the outer end portion of the surrounding edge is hooked upwards to be used for containing leaked fluid.

Preferably, the waterproof jacket is made of soft plastic materials, including but not limited to rubber and silica gel.

Preferably, a switch fixing support is arranged in the base, the ejector rod type switch is inserted into the top of the switch fixing support, the peripheral edge is located on the top wall of the switch fixing support, and the outer end of the switch fixing support fills a gap between the base and the switch fixing support in the height direction.

Preferably, the push rod switch comprises a reset push rod and an elastic part which are perpendicular to each other, one end of the elastic part is connected with a driving power supply of the stirring machine, and the other end of the elastic part is positioned right below the reset push rod in an empty manner.

Preferably, the elastic part comprises a pressing plate and a compression spring, the bottom of the switch fixing support is screwed with a bolt parallel to the reset ejector rod, a nut of the bolt faces downwards, the pressing plate is movably arranged on the bolt in a penetrating mode, and the compression spring is arranged between the pressing plate and the nut.

Preferably, an electric contact is arranged on the position of the pressure plate corresponding to the reset ejector rod.

Preferably, the mixing cup and the stand are both cylindrical.

Preferably, the lateral wall of frame upwards extends and forms the barrel, the inside of frame barrel is placed the waterproof circle of frame, the waterproof circle of frame centers on the (mixing) shaft, and its external diameter slightly is less than the internal diameter of barrel.

Compared with the prior art, the beneficial effects of the utility model are that:

in order to keep the dead weight in the rotating process, the base of the blender is basically arranged at the lower layer; in order to achieve continuous and smooth transmission, the motor needs to be assembled from the bottommost part upwards, and finally, a cover plate is nested at the top of the base to block outside water flow and dust. However, the portable stirring machine is basically provided with a mechanical safety switch in the machine base, when the stirring cup is screwed with the cup cover, the mechanical safety switch is extruded to be electrified, so that the machine base cover plate of the portable stirring machine can move up and down, water flow easily enters the motor through a gap of the machine base cover plate, and the motor is short-circuited or even burnt.

Aiming at the problems, the mechanical switch device reduces the risk of water flow entering the motor by arranging the waterproof ring on the top wall of the base, and the waterproof ring is of a detachable structure and is beneficial to cleaning and maintenance of the machine body; on the basis, the device is also provided with a waterproof sleeve at the contact end of the ejector rod type switch, and the waterproof sleeve is used as an intermediate between the ejector rod type switch and the top wall of the base, so that a gap between the ejector rod type switch and the top wall of the base is effectively filled, and water flow infiltration is further avoided.

Therefore, the mechanical switch device can provide a safe starting function and avoid starting the machine by mistake; the device can also be waterproof and antifouling, and avoids the risk of short circuit and burning of the motor, and the safety performance of portable rotary tools such as a stirrer and the like is comprehensively improved from the actual use condition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of the present embodiment in an assembled state;

FIG. 2 is an exploded view of the interior of the housing of the present embodiment;

FIG. 3 is an assembled external view (top view) of the housing of the present embodiment;

FIG. 4 is an assembled external view (bottom view) of the housing of the present embodiment;

FIG. 5 is a schematic view of the housing of the present embodiment (without the mechanical switch);

in the figure, 1-stand; 11-a frame cylinder; 12-the frame surrounding edge; 13-a through hole; 2-a stirring cup; 21-stirring cup flange; 3-stirring shaft; 4-waterproof ring of the stand; 5-a push-rod switch; 51-resetting the ejector rod; 52-an elastic member; 521-a pressing plate; 522-compression spring; 523-bolt; 524 — electrical contacts; 6-waterproof jacket; 61-waterproof jacket surrounding edge; 62-waterproof jacket hook-up part; 7-switch fixing support.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, the present embodiment provides a mechanical switch device mainly used for a portable mini mixer, the mixer includes a cylindrical base 1 and a mixing cup 2, the base 1 has a raised middle portion and a rotatable mixing shaft 3, the periphery is a lower and flat surrounding edge 12, the side wall of the base 1 further extends upward to form a base cylinder 11, correspondingly, the side wall of the mixing cup 2 is provided with a downward flange 21, the base cylinder 11 is screwed with the mixing cup flange 21, so as to tighten the mixing cup 2 onto the base 1, during the tightening process, the end of the mixing cup flange 21 gradually approaches to the top wall of the base 1, a base waterproof ring 4 is disposed on the base surrounding edge 12, the base waterproof ring 4 has a shape and size similar to the base surrounding edge 12, therefore, during the tightening operation, the waterproof ring 4 of the base is pressed and pushed by the flange 21 of the mixing cup. The waterproof 4 removable interchangeable of circle of frame, the organism of being convenient for is washd, can also prevent tentatively that rivers from getting into the installation gap of frame 1.

The top wall of the base 1 is also provided with a push rod type switch 5 in a penetrating mode, the contact end of the push rod type switch 5 protrudes out of the base 1, and the power-on end is located inside the base 1. When the base 1 and the stirring cup 2 are sleeved with each other, the waterproof ring 4 of the base is pushed by the flange 21 of the stirring cup, so that the ejector rod type switch 5 is pressed down to realize electrification; when the stirring cup 2 leaves the machine base 1, the ejector rod type switch 5 rebounds to realize power failure.

The contact end sleeve of the ejector rod type switch 5 is provided with a waterproof sleeve 6, and the waterproof sleeve 6 is used as an intermediate body of the ejector rod type switch 5 contacting with the outside and used for preventing water from flowing into the base 1.

Specifically, the push-rod switch 5 includes a return push rod 51 and an elastic member 52 which are perpendicular to each other, the waterproof jacket 6 is sleeved on the top of the return push rod 51, and the elastic member 52 includes a pressing plate 521 and a compression spring 522. The switch fixing support 7 is arranged in the machine base 1, the bottom of the switch fixing support 7 is screwed with two bolts 523 parallel to the reset ejector rod 51, nuts of the bolts 523 face downwards, the pressing plate 521 is movably arranged on the bolts 523 in a penetrating mode, the compression spring 522 is arranged between the pressing plate 521 and the nuts, an upward protruding electric contact 524 is arranged on the top wall of the pressing plate 521, the electric contact 524 is located under the reset ejector rod 51, the bottom wall of the pressing plate 521 is abutted to the compression spring 522, and the side wall of the pressing plate 521 is electrically connected with a driving power supply of the stirring machine through a cable (not shown in the figure).

When the stirring cup 2 is separated from the machine base 1, the reset ejector rod 51 is in a free state, and a gap exists between the bottom wall of the reset ejector rod 51 and the electric contact 524; when the stirring cup 2 and the base 1 are sleeved with each other, the waterproof base ring 4 is subjected to the pushing force of the stirring cup flange 21, the reset ejector rod 51 is pressed downwards, the reset ejector rod 51 is abutted to the electric contact 524, and the motor is electrified; with the mixing cup 2 separated again, the reset mandril 51 rebounds upwards to reset, the contact with the electric contact 524 is released, and the motor is powered off.

In consideration of the manufacturing cost, the pressing plate 521 is preferably made of a circuit board, and the compression spring 522 can improve the elasticity of the pressing plate 521 to a certain extent, so as to prevent the pressing plate from deforming due to repeated pressing. Of course, in other embodiments, the elastic member 52 may also be made of a copper elastic sheet, that is, one end of the elastic member is connected to the driving power supply of the agitator, and the other end of the elastic member is located in the air under the reset top rod 51, so that the elastic member has good resilience performance while maintaining electrical conductivity, and therefore, the present invention is not particularly limited to the form of the elastic member, and can be used in the invention of the present technical solution as long as the elastic member can effectively contact and conduct electricity with the reset top rod 51.

The waterproof sleeve 6 is sleeved on the contact end of the reset ejector rod 51, a through hole 13 is formed in the top wall of the base 1 and used for the contact end of the ejector rod type switch 5 and the top of the waterproof sleeve 6 to penetrate through, and the shape and the size of the through hole 13 are close to those of the top of the waterproof sleeve 6. The bottom end of the waterproof jacket 6 is located inside the engine base 1, an outward surrounding edge 61 is arranged at the bottom end, the surrounding edge 61 of the waterproof jacket is tiled towards the periphery, the outer end portion of the surrounding edge is hooked upwards, and the waterproof jacket 6 is similar to a Chinese character ji shape when observed from a longitudinal section.

Waterproof cover surrounding edge 61 is located the roof of switch fixed bolster 7, in the direction of height, switch fixed bolster 7 with leave the gap between the frame 1, waterproof cover colludes portion 62 and has filled this gap, consequently, waterproof cover surrounding edge 61 can effectively be taken the fluid that the through-hole 13 seepage was down, has stopped the risk that the motor intake.

Further, for guaranteeing that the ejector pin 51 that resets can move about from top to bottom, waterproof cover 6 adopts the soft plastics material, and the preferred silica gel material that uses in the middle of, silica gel material tightness is high, and waterproof performance is good, is as the utility model discloses waterproof cover 6's ideal material.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a mixer mechanical switch device that possesses waterproof performance, the mixer includes frame and stirring cup, be equipped with rotatable (mixing) shaft on the frame, its characterized in that: the side wall of the stirring cup is provided with a downward flange, an inwards concave base waterproof ring is arranged on the top wall of the base, a push rod type switch penetrates through the top wall of the base, a contact end of the push rod type switch protrudes out of the base, and a power-on end is positioned in the base; when the base and the stirring cup are mutually sleeved, the waterproof ring of the base is pressed down by the pushing force of the flange of the stirring cup, so that the ejector rod type switch is electrified; when the stirring cup leaves the base, the ejector rod type switch rebounds to realize power failure;

2. The mechanical switch device of a mixer with waterproof performance as claimed in claim 1, wherein: the top wall of the base is provided with a through hole for the contact end of the ejector rod type switch to pass through the top of the waterproof sleeve, and the shape and size of the through hole are similar to those of the top of the waterproof sleeve.

3. The mechanical switch device of a mixer with waterproof performance as claimed in claim 2, wherein: the bottom end of the waterproof sleeve is located inside the base, an outward surrounding edge is arranged at the bottom end, the surrounding edge of the waterproof sleeve is tiled towards the periphery, and the outer end portion of the surrounding edge is hooked upwards for containing leaked fluid.

4. The mechanical switch device of a mixer with waterproof performance as claimed in claim 3, wherein: the waterproof jacket is made of soft plastic materials, including but not limited to rubber and silica gel.

5. The mechanical switch device of a mixer with waterproof performance as claimed in claim 4, wherein: the push-rod type switch is inserted into the top of the switch fixing support, the peripheral edge of the switch fixing support is located on the top wall of the switch fixing support, and the outer end of the switch fixing support fills a gap between the base and the switch fixing support in the height direction.

6. The mechanical switch device of a mixer with waterproof performance as claimed in claim 5, wherein: the ejector rod type switch comprises a reset ejector rod and an elastic piece which are perpendicular to each other, one end of the elastic piece is connected with a driving power supply of the stirring machine, and the other end of the elastic piece is positioned right below the reset ejector rod in an emptying manner.

7. The mechanical switch device of a mixer with waterproof performance as claimed in claim 6, wherein: the elastic piece comprises a pressing plate and a compression spring, the bottom of the switch fixing support is connected with a bolt parallel to the reset ejector rod in a rotating mode, a screw cap of the bolt faces downwards, the pressing plate is movably arranged on the bolt in a penetrating mode, and the compression spring is arranged between the pressing plate and the screw cap.

8. The mechanical switch device of a mixer with waterproof performance as claimed in claim 7, wherein: and an electric contact is arranged on the position of the pressure plate corresponding to the reset ejector rod.

9. A mechanical switch device of a blender with waterproof capability as claimed in any one of claims 1 to 8, characterized in that: the stirring cup and the machine base are both cylindrical.

10. The mechanical switch device of a mixer with waterproof performance as claimed in claim 9, wherein: the lateral wall of frame up extends and forms the barrel, the inside of frame barrel is placed the waterproof circle of frame, the waterproof circle of frame centers on the (mixing) shaft.